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Epidemiology in childhood

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Malignant disease affects 10 per 100,000 children per year.

The breakdown is:

  • leukaemia 3.0
  • CNS tumours 2.5
  • reticuloendothelial system 1.0
  • neuroblastoma 0.9
  • wilm's tumour 0.5
  • bone tumours 0.5

Note that acute lymphoblastic leukaemia is the commonest form of leukaemia in children. Less than 5% of childhood tumours are acute or chronic myeloid leukaemia.

Generally childhood tumours tend to be poorly differentiated, fast growing, very malignant, very vascular and to show early and widespread early metastasis.

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